Flame retardant PVC mining ventilation duct
- We are one of drafters of Chinese standard GB/T9900-2008.
- The antistatic of PVC ventilation duct has won the China Science and Technology Achievement award;
- Since 2006, we have 10 years′ experience of development, design, production, application;
- Our annual production capacity of PVC ventilation duct is about 2 million meters with one full set of production line from weaving, PVC calendering, PVC laminating to ventilation duct production;
- Customized according to client′s requirement,such as tensile strength, tear strength, adhesion strength, tensile strength of welding joint, weight, thickness, fire resistant and antistatic of fabric, diameter and other function;
- Customized hanging ways according to the client′s requirement;
- Customized connection ways according to the clients’ requirement, steel wire or zipper connection;
- Customized the length and packing ways;
- Ventilation duct accessories can be made according to the customer′s requirement, such as T piece,Y piece, reducer, converter.
Item Unit Result Fabric Color – black, yellow, orange or customized Base Fabric – knitted/woven polyester fabric with both sides pvc coated Weight g/m2 400-900 or customized Length m 5-100 or customized Seam strength N/50mm 500-2000 or customized Tensile strength (warp/weft) N/50mm 600-3000 or customized Tear strength(warp/weft) N 80-600 or customized Adhesion strength N/50mm 60-100 or customized Antistatic Ω <3*108 or optional Wind pressure resistance Pa 3000-5000 Flame retardant – EN-71/UL94/DIN4102 or customized Duct Diameter mm 400-1500 or customized Longitudinal seam(related to length) pcs 1-3 Circumferential seam(related to diameter) pcs 1-4 Sealing flap extend mm 100-200 Non-perpendicularity with duct axes ° 3 Steel ring material – spring manganese steel or cold drawn steel Diameter of steel ring mm 5-10 or customized Standard pitch mm 100-200 or customized Suspension way – suspension tag or customized Connection way – steel ring or zipper coupling Torsional capacity Duct length (≤5m) mm 1/24 of circumference Duct length (>5m) 1/16 of circumference PS: All of the above data can be customized, please e-mail to carina at cdfhcl dot com to specificy requirements.